<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
  .card {
    color: rgba(255, 255, 255, 0.8);
    position: absolute;
    right: 100px;
    bottom: 100px;
    z-index: 10;
    font-family: sans-serif;
    text-align: center;
    width: 300px;
    height: 500px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    border-left: 1px solid rgba(255, 255, 255, 0.4);
    background: linear-gradient(
    to top right,
    rgba(90, 149, 207, 0.5),
    rgba(58, 76, 99, 0.8)
    );
    box-shadow: 10px -10px 20px rgba(0, 0, 0, 0.2),
    -10px 10px 20px rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px); /*  元素后面区域添加模糊效果 */
    border-radius: 20px;
    transform: rotate(-15deg);
}
body {
        height: 100vh;
        background: radial-gradient(
            circle at 60% 90%,
            rgba(46, 103, 161, 1),
            transparent 60%
          ),
          radial-gradient(
            circle at 20px 20px,
            rgba(46, 103, 161, 0.8),
            transparent 25%
          ),
          #182336;
      }



</style>
</head>
<body>
    <div class="card">
        <h1>TiKi Platinum</h1>
        <h2>6228 8076 2232 8768</h2>
        <h3>van conf banck</h3>
        <h4>03 / 29</h4>
      </div>
      <div class="circle"></div>
      <div class="rect"></div>
</body>
</html>